Precursor Factory World hovertip:
A Precursor World, with a vast orbital factory rings. That greatly increases the manufacturing potential of the world.
Resolving article/noun single/plural conflict:
A Precursor World, with vast orbital factory rings. That greatly increases the manufacturing potential of the world.
Streamlined phrase construction:
A Precursor World, with vast orbital factory rings that greatly increase the manufacturing potential of the world.
Ridiculously minimized construction:
A Precursor World that makes more stuff.